WO2013039160A1 - Moving-vehicle electric power feeding system - Google Patents

Moving-vehicle electric power feeding system Download PDF

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Publication number
WO2013039160A1
WO2013039160A1 PCT/JP2012/073496 JP2012073496W WO2013039160A1 WO 2013039160 A1 WO2013039160 A1 WO 2013039160A1 JP 2012073496 W JP2012073496 W JP 2012073496W WO 2013039160 A1 WO2013039160 A1 WO 2013039160A1
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WIPO (PCT)
Prior art keywords
vehicle
power feeding
power
moving vehicle
moving
Prior art date
Application number
PCT/JP2012/073496
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French (fr)
Japanese (ja)
Inventor
素直 新妻
Original Assignee
株式会社Ihi
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Publication date
Priority to JP2011-199404 priority Critical
Priority to JP2011199404 priority
Application filed by 株式会社Ihi filed Critical 株式会社Ihi
Publication of WO2013039160A1 publication Critical patent/WO2013039160A1/en

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    • B60L11/182
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/10Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
    • B60L53/12Inductive energy transfer
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/30Constructional details of charging stations
    • B60L53/35Means for automatic or assisted adjustment of the relative position of charging devices and vehicles
    • B60L53/36Means for automatic or assisted adjustment of the relative position of charging devices and vehicles by positioning the vehicle
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/30Constructional details of charging stations
    • B60L53/35Means for automatic or assisted adjustment of the relative position of charging devices and vehicles
    • B60L53/37Means for automatic or assisted adjustment of the relative position of charging devices and vehicles using optical position determination, e.g. using cameras
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/60Monitoring or controlling charging stations
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/60Monitoring or controlling charging stations
    • B60L53/65Monitoring or controlling charging stations involving identification of vehicles or their battery types
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J5/00Circuit arrangements for transfer of electric power between ac networks and dc networks
    • H02J5/005Circuit arrangements for transfer of electric power between ac networks and dc networks with inductive power transfer
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/10Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
    • H02J50/12Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling of the resonant type
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/40Circuit arrangements or systems for wireless supply or distribution of electric power using two or more transmitting or receiving devices
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/80Circuit arrangements or systems for wireless supply or distribution of electric power involving the exchange of data, concerning supply or distribution of electric power, between transmitting devices and receiving devices
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/90Circuit arrangements or systems for wireless supply or distribution of electric power involving detection or optimisation of position, e.g. alignment
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/02Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
    • H02J7/022Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters characterised by the type of converter
    • H02J7/025Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters characterised by the type of converter using non-contact coupling, e.g. inductive, capacitive
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2200/00Type of vehicles
    • B60L2200/26Rail vehicles
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2310/00The network for supplying or distributing electric power characterised by its spatial reach or by the load
    • H02J2310/40The network being an on-board power network, i.e. within a vehicle
    • H02J2310/48The network being an on-board power network, i.e. within a vehicle for electric vehicles [EV] or hybrid vehicles [HEV]
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/70Energy storage for electromobility
    • Y02T10/7005Batteries
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/70Energy storage for electromobility
    • Y02T10/7072Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10Technologies related to electric vehicle charging
    • Y02T90/12Electric charging stations
    • Y02T90/121Electric charging stations by conductive energy transmission
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10Technologies related to electric vehicle charging
    • Y02T90/12Electric charging stations
    • Y02T90/122Electric charging stations by inductive energy transmission
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10Technologies related to electric vehicle charging
    • Y02T90/12Electric charging stations
    • Y02T90/125Alignment between the vehicle and the charging station
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10Technologies related to electric vehicle charging
    • Y02T90/12Electric charging stations
    • Y02T90/128Energy exchange control or determination
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10Technologies related to electric vehicle charging
    • Y02T90/14Plug-in electric vehicles
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10Technologies related to electric vehicle charging
    • Y02T90/16Information or communication technologies improving the operation of electric vehicles
    • Y02T90/163Information or communication technologies related to charging of electric vehicle
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10Technologies related to electric vehicle charging
    • Y02T90/16Information or communication technologies improving the operation of electric vehicles
    • Y02T90/167Systems integrating technologies related to power network operation and communication or information technologies for supporting the interoperability of electric or hybrid vehicles, i.e. smartgrids as interface for battery charging of electric vehicles [EV] or hybrid vehicles [HEV]
    • Y02T90/169Aspects supporting the interoperability of electric or hybrid vehicles, e.g. recognition, authentication, identification or billing
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S30/00Systems supporting specific end-user applications in the sector of transportation
    • Y04S30/10Systems supporting the interoperability of electric or hybrid vehicles
    • Y04S30/14Details associated with the interoperability, e.g. vehicle recognition, authentication, identification or billing

Abstract

A moving-vehicle electric power feeding system comprises electric power feeding devices (A1, 1B, 2A, 2B) provided at locations at which a moving vehicle (M) can stop, and a control means (3) for instructing the electric power feeding devices (1A, 1B, 2A, 2B) to feed electric power to a stopped moving vehicle (M: stopped vehicle) on the basis of the detection result of a detection means (4) for detecting the stopped state of the moving vehicle (M).

Description

Mobile vehicle power supply system

The present invention relates to a mobile vehicle power supply system. This application claims priority based on Japanese Patent Application No. 2011-199404 filed in Japan on September 13, 2011, the contents of which are incorporated herein by reference.

Patent Document 1 discloses a mobile vehicle power feeding system linked with a traffic signal. That is, this mobile vehicle power supply system is equivalent to the number of mobile vehicles that can be stopped in a predetermined area (power supply point) on the road where the mobile vehicle stops when the traffic signal turns red. (Non-contact power transmission device) is provided. This moving vehicle power feeding system performs non-contact power feeding to each moving vehicle stopped at a power feeding point via each power transmission device when the traffic signal is “red”.

Japanese Unexamined Patent Publication No. 2010-193657

However, the above-described prior art mobile vehicle power supply system supplies power to a mobile vehicle temporarily stopped on a public road in cooperation with a traffic signal for a relatively short time. This mobile vehicle power feeding system cannot be applied to places other than public roads where no traffic signal is provided. However, considering the practicality of power feeding to mobile vehicles, it is extremely important to realize short-time power feeding to mobile vehicles not only on public roads equipped with traffic signals but also in various places. That is, short-time power feeding at various places where a moving vehicle can stop is important and indispensable in the spread and convenience of moving vehicles that use electric power such as electric vehicles and hybrid vehicles as a power source.

The present invention has been made in view of the above-described problems, and an object of the present invention is to realize power feeding to a moving vehicle not only on a public road but also in various places where the moving vehicle can stop.

The present invention adopts the following configuration as means for solving the above-described problems. A moving vehicle power feeding system according to a first aspect of the present invention includes a power feeding device provided in a place where a moving vehicle can stop, a detection unit that detects a stop state of the moving vehicle, and a detection result of the detection unit. And a control means for instructing the power feeding device to feed power to the moving vehicle (stopped vehicle) in a stopped state.

According to a second aspect of the present invention, in the mobile vehicle power feeding system according to the first aspect, the mobile vehicle further includes a communication unit that communicates with the mobile vehicle, and the mobile vehicle has a function of communicating with the communication unit. The means communicates with the moving vehicle via the communication means to perform one or both of information exchange related to the stationary state of the moving vehicle or the power feeding by the power feeding device.

According to a third aspect of the present invention, in the moving vehicle power feeding system according to the first or second aspect, the power feeding device includes a power feeding coil, the moving vehicle includes a power receiving coil, and the power feeding device receives the power feeding coil. Non-contact power feeding is performed to the moving vehicle by electromagnetically coupling to the coil.

According to a fourth aspect of the present invention, in the mobile vehicle power feeding system according to any one of the first to third aspects, the place where the mobile vehicle can stop is various facilities, a parking lot of each house, a public facility, Adopt one or both of the private pause locations.

The fifth aspect according to the present invention employs a means that in the mobile vehicle power feeding system according to any one of the first to fourth aspects, the detection means is a laser radar or a television camera.

According to the present invention, power is supplied to a stopped moving vehicle (stopped vehicle) based on the detection result of the detecting means for detecting the stopped state of the moving vehicle. For this reason, compared with the system which cooperates with the conventional traffic signal apparatus, the electric power feeding to the moving vehicle in various places is realizable. Accordingly, it is possible to realize the promotion of the spread of mobile vehicles that move using electric power as a power source and the improvement of convenience.

It is a figure which shows the function structure of the mobile vehicle electric power feeding system which concerns on 1st Embodiment of this invention. It is a figure which shows the function structure of the mobile vehicle electric power feeding system which concerns on 2nd Embodiment of this invention. It is a schematic diagram which shows the example of installation of the mobile vehicle electric power feeding system which concerns on 2nd Embodiment of this invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
(First embodiment)
A first embodiment of the present invention will be described. As shown in FIG. 1, the mobile vehicle power supply system A according to the first embodiment includes two crossing barriers G1, G2, two power supply coils 1A, 1B, two power supply converters 2A, 2B, and a control. The apparatus 3 is provided. In addition, among these each component, each feed coil 1A, 1B and each feed converter 2A, 2B comprise the feed apparatus in 1st Embodiment.

The moving vehicle power feeding system A is ground equipment that supplies (power feeds) power to the moving vehicle M in a non-contact manner by using the power feeding coils 1A and 1B. In addition, the moving vehicle power feeding system A detects a stop state of the moving vehicle M by receiving a state signal indicating an operating state of the level crossing barriers G1 and G2, which are existing facilities. Although details will be described later, the control device 3 in the mobile vehicle power supply system A corresponds to the detection unit and the control unit in the first embodiment.

Railroad crossing barriers G1 and G2 are provided in each lane of the road at the railroad crossing. That is, the level crossing barrier G1 is provided in the left lane of the road intersecting with the track, and the level crossing barrier G2 is provided in the right lane. Each level crossing barrier G11, G2 is closed when the train passes through the train crossing and prevents the moving vehicle M from passing. Each of the level crossing barriers G1 and G2 is in an open state in a normal state where the train does not pass through the train crossing, and allows the moving vehicle M to pass therethrough.

Each level crossing barrier G1, G2 outputs a signal indicating an open state or a closed state (that is, a state signal indicating its own operation state) to the control device 3, respectively. The state signal described above indicates the operating state of the equipment (crossing barriers G1 and G2) that can bring the moving vehicle M into a stopped state. In addition, as shown in FIG. 1, when each level crossing barrier G1, G2 is closed, the moving vehicle M is stopped on the road in front of each level crossing G1, G2 (train crossing). .

Each feeding coil 1A, 1B is embedded in the vicinity of the surface of the road in front of the train crossing for each lane of the road. That is, the power supply coil 1A is embedded in the vicinity of the surface of the road in front of the railroad crossing barrier G1. The feeding coil 1B is embedded in the vicinity of the surface of the road in front of the railroad crossing barrier G2. More specifically, as shown in FIG. 1, the buried positions of the power feeding coils 1A and 1B are set to positions that coincide with the stopping position of the moving vehicle M when the level crossing barriers G1 and G2 are closed. .

Each feed converter 2A, 2B supplies AC power for feed to each feed coil 1A, 1B based on a control signal input from the control device 3. That is, the power feeding converter 2A supplies power feeding AC power to the power feeding coil 1A, and the power feeding converter 2B supplies power feeding AC power to the power feeding coil 1B. The feed converters 2A and 2B convert commercial power, such as 50 Hz or 60 Hz, into AC power having a frequency suitable for feeding to the moving vehicle M (for example, several hundred Hz to several MHz), and supply each of the feed coils 1A and 1B. Output.

The control device 3 determines (detects) the stop state of the moving vehicle M based on the state signals input from the level crossing barriers G1 and G2. Based on the determination result, the control device 3 instructs each of the power converters 2A and 2B to supply power to the stopped moving vehicle (stopped vehicle). That is, when the state signal indicating the closed state of each level crossing barrier G1, G2 is input from each level crossing barrier G1, G2, the control device 3 moves the moving vehicle M on the road in front of each level crossing barrier G1, G2. Is determined to have stopped. At this time, the control apparatus 3 makes each electric power feeding converter 2A, 2B start the electric power supply to each electric power feeding coil 1A, 1B.

The above state signal indicates the operating state of each level crossing barrier G1, G2, and does not directly indicate the stop of the moving vehicle M. For example, it is assumed that a slight time lag occurs between the timing when each level crossing barrier G1, G2 is changed from the open state to the closed state and the timing when the moving vehicle M stops (the degree of the time lag is It may also depend on the traffic congestion.) Therefore, when the state signal indicating the closed state of each of the level crossing barriers G1, G2 is input, the control device 3 moves on the road in front of each of the level crossing barriers G1, G2, for example, at a timing delayed by a predetermined time. It is determined that the vehicle M has stopped.

Next, the mobile vehicle M that is the power supply target of the mobile vehicle power supply system A will be described. As shown in FIG. 1, the moving vehicle M in the first embodiment includes a power receiving coil m1, a charging circuit m2, a storage battery m3, and a charging control unit m4.

The power receiving coil m1 is provided at the bottom of the moving vehicle M so as to face the power feeding coils 1A and 1B. The power receiving coil m1 has substantially the same coil diameter as that of the power feeding coils 1A and 1B. The receiving coil m1 receives AC power from the feeding coils 1A and 1B in a non-contact manner by being electromagnetically coupled to the feeding coils 1A and 1B. That is, the mobile vehicle power supply system A performs non-contact power supply to the mobile vehicle M by electromagnetically coupling the power supply coils 1A and 1B to the power receiving coil m1 of the mobile vehicle M. The power receiving coil m1 outputs AC power (received power) received from the power feeding coils 1A and 1B to the charging circuit m2.

Non-contact power feeding from the power feeding coils 1A and 1B to the power receiving coil m1 in the mobile vehicle power feeding system A is performed based on a magnetic field resonance method. For this reason, a resonance capacitor (not shown) for constituting a resonance circuit is connected to each of the power feeding coils 1A and 1B and the power receiving coil m1. Further, for example, the capacitance of the resonance capacitor includes the resonance frequency of the power supply side resonance circuit including the power supply coils 1A and 1B and the resonance capacitor, and the resonance frequency of the power reception side resonance circuit including the power reception coil m1 and the resonance capacitor. Are set to have the same frequency.

The charging control unit m4 controls charging of the storage battery m3 by controlling the power conversion operation of the charging circuit m2. When the charging control unit m4 detects the reception of the AC power from the power feeding coils 1A and 1B by the power receiving coil m1 based on, for example, the change in the voltage between the terminals of the power receiving coil m1, the charging control unit m4 activates the charging circuit m2 to direct the storage battery m3 to the DC power To charge.

Next, the operation of the mobile vehicle power feeding system A configured as described above will be described in detail.
The mobile vehicle power feeding system A is linked to the operating state of each level crossing barrier G1, G2. For this reason, every time the level crossing barriers G1 and G2 are closed because the train passes through the train crossing, the moving vehicle M that stops on the road in front of the level crossing barriers G1 and G2 (train crossing) Non-contact power supply is started.

That is, the control device 3 constantly monitors the status signal input from each level crossing barrier G1, G2. When the state signal indicates the closed state of the level crossing barriers G1, G2, the control device 3 determines (detects) that the moving vehicle M has stopped on the road in front of the level crossing barriers G1, G2. And the control apparatus 3 outputs a control signal to each electric power feeding converter 2A, 2B, and starts the electric power supply to each electric power feeding coil 1A, 1B.

When a moving vehicle M (stopped vehicle) stopped in a state where each power receiving coil m1 is positioned in the vicinity of the upper side of each power supply coil 1A, 1B, the power receiving coil m1 of each moving vehicle M (stopped vehicle) is on each route of the road. Are electromagnetically coupled to the feeding coils 1A and 1B, respectively. As a result, the AC power supplied from the power converters 2A and 2B to the power supply coils 1A and 1B is contactlessly transmitted from the power supply coils 1A and 1B to the power reception coil m1 of each moving vehicle M (stopped vehicle). The

The AC power transmitted from the feeding coils 1A and 1B to the receiving coil m1 in a non-contact manner is the state where the receiving coil m1 is directly facing directly above the feeding coils 1A and 1B (that is, the receiving coil m1 and the feeding coils 1A and 1B are the most). However, the stopping position of the moving vehicle M varies depending on the driving operation of the driver. Therefore, the power receiving coil m1 and the power feeding coils 1A and 1B hardly face each other. However, since the mobile vehicle power supply system A employs the magnetic field resonance method, the transmission efficiency of AC power that is contactlessly transmitted from the power supply coils 1A and 1B to the power reception coil m1 is high.

The control device 3 continues non-contact power supply to the moving vehicle M (stopped vehicle) via the power supply coils 1A and 1B while the state signal indicates the closed state of the crossing barriers G1 and G2. The control device 3 determines that the moving vehicle M (stopped vehicle) has started to move when a state signal indicating that the level crossing barriers G1 and G2 have shifted from the closed state to the open state is input. And the control apparatus 3 outputs a control signal to the electric power feeding converter 2A, 2B, and stops the electric power supply to electric power feeding coil 1A, 1B.

According to the first embodiment, electric power is not contacted with respect to the moving vehicle M that stops in conjunction with the operations of the level crossing barriers G1 and G2 by using the stopping of the moving vehicle M for a relatively short time. Power can be supplied. Therefore, according to 1st Embodiment, it is possible to implement | achieve the electric power feeding to the moving vehicle M in various places. As a result, it is possible to promote the spread of the moving vehicle M that moves using electric power as a power source, and to improve convenience.

(Second Embodiment)
A second embodiment of the present invention will be described. As shown in FIG. 2, the moving vehicle power feeding system B according to the second embodiment includes a power feeding coil 1, a power feeding converter 2, a vehicle sensor 4, and a control device 3A. Note that the power feeding coil 1 and the power feeding converter 2 constitute a power feeding device in the second embodiment.

The feeding coil 1 has the same function as the feeding coils 1A and 1B in the first embodiment. The number and position of the feeding coils 1 are appropriately set according to the nature of the place where the moving vehicle M can stop. For example, in the case of a parking lot in a shopping center as shown in FIG. 3, the feeding coil 1 is provided near the surface of the ground for each parking space. The feed converter 2 has the same function as the feed converters 2A and 2B of the first embodiment. The feed converter 2 is provided with its position and number set corresponding to the feed coil 1. The power feeding converter 2 supplies AC power for power feeding to the power feeding coil 1 based on a control signal input from the control device 3A.

The vehicle sensor 4 is a detecting means for detecting the stop state of the moving vehicle M, and the number and position thereof are appropriately set according to the nature of the place where the moving vehicle M can stop. For example, in the case of a parking lot in a relatively large shopping center as shown in FIG. 3, two vehicle sensors 4A and 4B are provided. In this case, the vehicle sensor 4A uses a half (left half) of the parking lot of the shopping center as a detection area, and the vehicle sensor 4B uses the other half (right half) as a detection area. The vehicle sensor 4 (4A, 4B) outputs a vehicle detection signal indicating the detection result to the control device 3A.

The vehicle sensor 4 (4A, 4B) is a laser radar that detects the stop state of the moving vehicle M using, for example, laser light as a detection medium. In other words, the vehicle sensor 4 (4A, 4B) measures the distance to the reflection point by irradiating the detection area with laser light from a high place in a scanning manner and receiving the reflected light of the laser light. Further, the vehicle sensor 4 (4A, 4B) has a stopped moving vehicle M (stopped vehicle) in a plurality of parking spaces based on the measurement result (distance detection value) and the irradiation position of the laser beam. Detect whether to do.

The reflection point of the laser light applied to the parking space becomes the surface (ground) of the parking space when the moving vehicle M (stopped vehicle) does not exist, but moves when the moving vehicle M (stopped vehicle) exists. It becomes the surface of the ceiling of the vehicle M (stopped vehicle). Therefore, the distance detection value of the vehicle sensor 4 (4A, 4B) is clearly different depending on the presence or absence of the moving vehicle M (stopped vehicle).

3A of control apparatuses instruct | indicate the electric power feeding with respect to the moving vehicle M (stop vehicle) to the electric power feeding converter 2 based on the vehicle detection signal input from the vehicle sensor 4 (4A, 4B). That is, for example, when a vehicle detection signal indicating that the moving vehicle M has stopped is input to the parking space in the right back with hatching, the control device 3A applies power to the feeding coil 1 provided in the parking space in the right back. A control signal is output to the corresponding feed converter 2 to start power supply.

In the moving vehicle power feeding system B, the moving vehicle M (stopped vehicle) is detected in each parking space by the vehicle sensor 4 (4A, 4B). At this time, the control device 3 </ b> A outputs a control signal to the power feeding converter 2 corresponding to the power feeding coil 1 provided in the parking space to start power supply to the power feeding coil 1. When the moving vehicle M stops in the parking space, the power receiving coil m1 of the moving vehicle M (stopped vehicle) is located near the upper side of the power feeding coil 1 and is electromagnetically coupled to the power feeding coil 1. As a result, AC power supplied from the power feeding converter 2 to the power feeding coil 1 is contactlessly transmitted from the power feeding coil 1 to the power receiving coil m1 of the moving vehicle M (stopped vehicle).

In the mobile vehicle power feeding system B, the magnetic field resonance method is adopted as in the first embodiment. For this reason, the transmission efficiency of AC power transmitted in a non-contact manner from the feeding coil 1 to the receiving coil m1 is high. The vehicle sensor 4 (4A, 4B) always detects the stop state of each moving vehicle M in each detection area.

While the vehicle detection signal input from the vehicle sensor 4 (4A, 4B) indicates the stop state of the moving vehicle M (stopped vehicle), the control device 3A sends the signal to the moving vehicle M (stopped vehicle) via the feeding coil 1. Continue contactless power supply. When the vehicle detection signal indicates the start of movement of the moving vehicle M (stopped vehicle), the control device 3A performs power supply conversion corresponding to the parking space (feeding coil 1) of the moving vehicle M (stopped vehicle) that has started moving. A control signal is output to the device 2 to stop the power to the feeding coil 1.

According to the second embodiment, non-contact power supply to the moving vehicle M (stopped vehicle) is performed in conjunction with the detection result of the moving vehicle M (stopped vehicle) by the vehicle sensor 4 (4A, 4B). it can. Therefore, according to the second embodiment, it is possible to realize power feeding to a moving vehicle at various places as compared with a conventional system that cooperates with a traffic signal. As a result, it is possible to promote the spread of mobile vehicles that move using electric power as a power source, and to improve convenience.

In addition, this invention is not limited to said each embodiment, For example, the following modifications can be considered.
(1) In the first embodiment, each of the feeding coils 1A and 1B is provided at a position corresponding to the stop position of the leading mobile vehicle M in each lane, but also at a position corresponding to the stop position of the subsequent mobile vehicle M. A feeding coil 1 may be provided. In this case, the stop position of the moving vehicle M changes depending on the size (vehicle length) of each of the leading moving vehicle M and the following moving vehicle M. For this reason, the feeding coils 1A and 1B for the following moving vehicle M are buried at the vehicle length interval of the moving vehicle M having the shortest vehicle length, for example. The number of power feeding coils 1A and 1B in each lane is appropriately set according to the traffic volume on the road.

(2) In the first embodiment, the power feeding coils 1A and 1B and the power receiving coil m1 are vertically opposed by embedding the power feeding coils 1A and 1B on the road and providing the power receiving coil m1 at the bottom of the moving vehicle M. . The present invention is not limited to this. For example, the power receiving coil m1 is provided on the side (moving door) of the moving vehicle M, and the central axis is horizontal and the feeding coils 1A and 1B are opposed to the side (moving door) of the moving vehicle M on the road shoulder. You may provide with the attitude | position orthogonal to the axis line of a lane. Alternatively, for example, the power receiving coil m1 may be provided on the ceiling of the moving vehicle M, and the feeding coils 1A and 1B may be provided above the road so as to face the ceiling of the moving vehicle M.

(3) In 1st Embodiment, electric power supply was unconditionally started to the moving vehicle M stopped on the road before each level crossing barrier G1, G2. The present invention is not limited to this. For example, by using the power supply coils 1A and 1B and the power receiving coil m1 for signal transmission, the wireless communication between the control device 3 and the charging control unit m4 can be performed via the power supply coils 1A and 1B and the power receiving coil m1, and the wireless You may determine the stop state of the moving vehicle M by communication. Thereby, prior to the start of power supply, the necessity of power supply may be confirmed, or charging information related to power supply may be transmitted and received. In this case, the power feeding coils 1A and 1B and the power receiving coil m1 function as an antenna for wireless communication, and the control device 3 and the charging control unit m4 function as communication means using the antenna.

(4) Instead of the communication device using the power supply coils 1A and 1B and the power reception coil m1, individual communication functions may be provided in the mobile vehicle power supply system A (ground equipment) and the mobile vehicle M. For example, it is conceivable to use a known optical beacon as an individual communication function, or to use a radio communication device using radio waves as an individual communication function. In particular, as an individual communication function, communication between the mobile vehicle power supply system A (ground equipment) and the mobile vehicle M only needs to be possible (that is, communication at a relatively short distance), so it is designed exclusively. A communication system may be used.

(5) In 1st Embodiment, it cooperated with level crossing barrier G1, G2. The present invention is not limited to this. Equipment that can stop the moving vehicle M includes a crossing barriers G1 and G2 as well as a barrier provided at a parking lot entrance of various facilities, a traffic signal provided on a road (public road), and the like. Therefore, power supply to the moving vehicle M may be controlled by taking in a state signal indicating the operating state of these breakers. That is, the place where non-contact power feeding is performed is not limited to a public road and may be a private road or a private land.

(6) In the first embodiment, in order to detect the operation state of the level crossing barriers G1, G2 more reliably, the state signal of the level crossing barriers G1, G2 is taken into the control device 3 to determine the stop state of the moving vehicle M. did. The present invention is not limited to this. When it is difficult to capture the status signal of the equipment that can bring the moving vehicle M into the stopped state, the operation state of the equipment that can bring the moving vehicle M into the stopped state such as the level crossing barriers G1 and G2 is detected by a separately provided device. May be. For example, regarding the operating states of the level crossing barriers G1 and G2 and traffic signals, it is conceivable to detect the closed state and the open state by acquiring images of the level crossing barriers G1 and G2 and performing image processing on the images. . As a further different method of determining the stop state of the moving vehicle M, it may be used that an operation that is performed only when the moving vehicle M is in the stop state is performed. For example, it is determined that the moving vehicle M is in a stopped state when the side brake is operating or the shift position is P in an automatic vehicle.

(7) In FIG. 1 showing the first embodiment, an example in which a plurality of lanes are adjacent in opposite directions is shown. The present invention is not limited to this. A plurality of lanes may be in the same direction, or a plurality of lanes may be physically separated.

(8) In 2nd Embodiment, the parking lot of the shopping center typically shown in FIG. 3 as an example of the place where the moving vehicle M can stop was demonstrated. The present invention is not limited to this. As a parking lot for laying the mobile vehicle power feeding system B, any public or private parking lot may be used. Further, the place where the moving vehicle M can stop may be a drive-through place in a store or the like in addition to the parking lot, and may be a stop place of a gas station or the like when the moving vehicle M is a hybrid vehicle.

(9) In the second embodiment, the power feeding coil 1 is embedded in the vicinity of the surface of the parking space (ground) and the power receiving coil m1 is provided at the bottom of the moving vehicle M so that the power feeding coil 1 and the power receiving coil m1 are vertically moved. Make them face each other. The present invention is not limited to this. For example, the power receiving coil m1 may be provided on the side portion (entrance / exit door) of the moving vehicle M, and the feeding coil 1 may be provided on the side of the parking space in a posture facing the side portion (entrance / exit door) of the moving vehicle M. Alternatively, the power receiving coil m1 may be provided on the ceiling of the moving vehicle M, and the feeding coil 1 may be provided above the parking space so as to face the ceiling of the moving vehicle M.

(10) In the second embodiment, power is supplied unconditionally to the moving vehicle M (stopped vehicle) stopped in each parking space. The present invention is not limited to this. The power feeding coil 1 and the power receiving coil m1 may be used for signal transmission to enable wireless communication between the control device 3A and the charging control unit m4. Thereby, prior to the start of power supply, the necessity of power supply may be confirmed by the wireless communication, or charging information related to power supply may be transmitted and received. In this case, the feeding coil 1 and the receiving coil m1 function as an antenna for wireless communication, and the control device 3A and the charging control unit m4 function as a communication unit using the antenna.
Further, instead of diverting the power feeding coil 1 and the power receiving coil m1 for signal transmission, wireless communication may be performed using a separately provided communication unit.

(11) In the second embodiment, the vehicle sensor 4 (4A, 4B) detects the stop state of the moving vehicle M as detection means, and outputs the detection result to the control device 3A. The present invention is not limited to this. For example, the measurement data may be supplied from the vehicle sensor to the control device, and the control device may detect (determine) the stop state of the moving vehicle M based on the measurement data. As a further different method of determining the stop state of the moving vehicle M, it may be used that an operation that is performed only when the moving vehicle M is in the stop state is performed. For example, it is determined that the moving vehicle M is in a stopped state when the side brake is operating or the shift position is P in an automatic vehicle.

(12) In the second embodiment, a laser radar is used as the vehicle sensor 4 (4A, 4B). The present invention is not limited to this. Instead of the laser radar, a combination of a television camera and an image processing device that processes an image obtained from the television camera may be used as a vehicle sensor. That is, the vehicle sensor 4 (4A, 4B) periodically captures an image including the detection area, and compares it with a reference image in a state where the vehicle does not stop in the detection area. Detect where the parking spaces exist.

(13) In the first embodiment or the second embodiment, the electric power supplied to the vehicle may be used not only for charging the storage battery but also for driving the lighting device and the air conditioner in the vehicle.

According to the present invention, power is supplied to a moving vehicle at various locations, compared to a system that cooperates with a conventional traffic signal device, and the spread of a moving vehicle that uses electric power as a power source is promoted and the convenience is improved. can do.

A, B ... Mobile vehicle power feeding system, M ... Mobile vehicle, G1, G2 ... Railroad crossing breaker, m1 ... Power receiving coil, m2 ... Charging circuit, m3 ... Storage battery, m4 ... Charge control unit, 1, 1A, 1B ... Power feeding coil 2, 2A, 2B ... feed converter, 3,3A ... control device, 4,4A, 4B ... vehicle sensor

Claims (5)

  1. A power feeding device provided in a place where the moving vehicle can stop;
    Detecting means for detecting a stop state of the moving vehicle;
    A moving vehicle power supply system comprising: control means for instructing the power supply device to supply power to a stopped moving vehicle (stopped vehicle) based on a detection result of the detection means.
  2. A communication means for communicating with the mobile vehicle;
    The mobile vehicle has a function of communicating with the communication means,
    2. The mobile vehicle power feeding according to claim 1, wherein the control unit performs one or both of information about the stopping state of the moving vehicle and power feeding by the power feeding device by communicating with the moving vehicle via the communication unit. system.
  3. The power supply device includes a power supply coil,
    The mobile vehicle includes a power receiving coil,
    The mobile power feeding system according to claim 1, wherein the power feeding device performs non-contact power feeding to the moving vehicle by electromagnetically coupling the power feeding coil to the power receiving coil.
  4. The mobile vehicle power feeding system according to claim 1, wherein the place where the mobile vehicle can stop is one or both of various facilities, a parking lot of each house, a public or private temporary stop.
  5. The mobile vehicle power feeding system according to claim 1, wherein the detection means is a laser radar or a television camera.
PCT/JP2012/073496 2011-09-13 2012-09-13 Moving-vehicle electric power feeding system WO2013039160A1 (en)

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EP12832635.2A EP2757661A4 (en) 2011-09-13 2012-09-13 Moving-vehicle electric power feeding system
CN201280044101.8A CN103782487A (en) 2011-09-13 2012-09-13 Moving-vehicle electric power feeding system
JP2013533712A JP5839039B2 (en) 2011-09-13 2012-09-13 Mobile vehicle power supply system
US14/187,859 US9457678B2 (en) 2011-09-13 2014-02-24 Vehicle electric power feeding system

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US9457678B2 (en) 2016-10-04
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US20140167689A1 (en) 2014-06-19
JP5839039B2 (en) 2016-01-06
EP2757661A4 (en) 2016-04-27
JPWO2013039160A1 (en) 2015-03-26

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